LB11823M Datasheet, PDF (7/19 Pages) Sanyo Semicon Device – Direct PWM Drive Brushless Motor Predriver for OA Products

Pin Description
Pin No. Symbol
LB11823M
Pin Description
VREG
Equivalent circuit
Output current detection
1
RF Connect a resistor (Rf) between this pin and ground.
Set with the maximum output current I_OUT = 0.5/Rf.
5kΩ
1
2
WH
4
VH
6
UH Output pin (external TR drive output)
3
WL Duty control made on UH, VH, and WH sides.
5
VL
7
UL
VCC1
Power supply (output and Hall input blocks). Normally used
8
V_CC1
with the 12 V power supply. Connect to V_CC2 and VREG
for application with the 5 V single power supply. Connect a
capacitor between this pin and GND for stabilization.
VCC1
9
IN1+
10
IN1– ^{Hall amplifier input.}
11
IN2+ ^{IN+ > IN– is the input high state,}
12
IN2– ^{and the reverse is the input low state.}
300Ω
13
IN3+
Connect a capacitor between the s IN+ and IN– inputs if
there is noise in the Hall sensor signals.
9 11 13
14
IN3–
FG amplifier inputs
15 FGIN+
IN+ is the noninverting input.
16 FGIN–
IN– is the inverting input.
VREG
300Ω
15
246
357
300Ω
10 12 14
300Ω
16
Continued on next page.
No. 7106-7/19